* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.tab {
  display: flex;
  height: 100vh;
}

.left {
  width: 80px;
  /* background-color: red; */
  flex-shrink: 0;
  height: 100%;
  overflow-y: scroll;
  border-right: 1px solid #ccc;
}

.left ul li {
  list-style: none;
  line-height: 36px;
  height: 36px;
  text-align: center;
}

.left ul li.active {
  color: red;
  border-left: 1px solid red;
}

.right {
  /* background-color: skyblue; */
  flex: 1;

  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;

  height: 100vh;
  overflow-y: scroll;
}

.right dl {
  width: 33.3%;
}

.right dl img {
  width: 100%;
  border-radius: 4px;
  padding: 4px;
}

.right dl h3 {
  text-align: center;
}

